fix __builtin_prefetch guarding

in dc3259f the guard for falconn::SparseVector was not introduced
shogun-toolbox · May 24, 2018 · ee3da84 · ee3da84
1 parent 6721b61
commit ee3da84
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/shogun/lib/external/falconn/core/prefetchers.h b/src/shogun/lib/external/falconn/core/prefetchers.h
@@ -49,7 +49,9 @@ class StdVectorPrefetcher<std::vector<std::pair<IndexType, CoordinateType>>> {
 
   void prefetch(const std::vector<PointType>& points,
                 int_fast64_t prefetch_index) {
+#ifdef __GNUC__
     __builtin_prefetch((points[prefetch_index]).data(), 0, 1);
+#endif
   }
 };